


const liangzi={
    lala:[1,2,3],
    haha:[4,5]
}

let myls=liangzi["lala"]
myls.push(55)
// console.log(liangzi["lala"].push(55))
console.log(myls)
// liangzi["lala"]
liangzi["lala"]=myls
console.log(liangzi)


const mylss=[1,2,3]
let ha="NONE"

console.log(mylss.indexOf(ha))

